areacode.fyi MCP server

North American area-code & phone-number intelligence for AI agents. An MCP server that gives Claude, Cursor, and other agents trusted lookups, carrier and scam-signal tools, and source-backed explainers — backed by the official NANPA data behind areacode.fyi.

Install

Add to your MCP client config (Claude Desktop, Cursor), then restart:

{ "mcpServers": { "areacode": { "command": "npx", "args": ["-y", "@riv-lc/areacode-mcp"] } } }

Tools

• lookup_area_code, lookup_phone_number, lookup_carrier
• area_codes_for_city, area_codes_for_state
• is_scam_area_code, check_number_reputation, explain_area_code_topic

Area-code-level reference for agents — not caller identity or live carrier. Configurable host via AREACODE_API_BASE.

npm · GitHub · the underlying API

Sourced from the official NANPA (North American Numbering Plan Administrator) numbering database, current as of June 20, 2026. Refreshed monthly.